Open Wedge High Tibial Osteotomy with Distal Tubercle Osteotomy Lessens Change in Patellar Position

Figure 3

Radiographic diagrams showing five indices measured to assess patellar height: (a) Insall-Salvati; (b) modified Insall-Salvati; (c) Blackburne-Peel; (d) Caton-Deschamps; and (e) modified Miura-Kawamura. , diagonal patellar length; , patellar length; , length of the patellar articular surface; , perpendicular distance between the proximal tibial articular surface and the inferior tip of patellar articular surface; , distance from the anterosuperior border of the tibial plateau to the inferior tip of the patellar articular surface; , distance from a line perpendicular to the tibial diaphyseal line to the inferior tip of the patellar articular surface.

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